Troubleshooting
8-13
Part 1126187_05
E
2021
Nordson Corporation
Piezo Driver Board Alarm Troubleshooting
Refer to this table to troubleshoot alarms generated by the piezo driver
board.
Screen Message
Effect on
Controller
Cause
Corrective Action(s)
Piezo Not Present
Fault
Piezo actuator not
detected
S
Cable not connected
S
Cable improperly connected
S
Defective piezo actuator
S
Check cables to piezo
actuator.
S
Replace piezo actuator.
Piezo LVPS Fault
Low-Voltage Power
Supply (LVPS) fault
inside the piezo
driver board
Defective piezo driver
Replace piezo driver.
Piezo HVPS
Overvoltage Fault
High-Voltage Power
Supply (HVPS) over
voltage fault inside
the piezo driver
board
Piezo HVPS
Overload Fault
HVPS overload fault
inside the piezo
driver board
S
Defective piezo actuator
cable
S
Defective piezo actuator
S
Defective piezo driver
S
Replace piezo actuator
cable.
S
Replace piezo actuator.
S
Replace piezo driver.
Piezo
Overtemperature
Fault
HVPS
overtemperature
fault inside the piezo
driver board
S
Defective piezo driver
S
Applicator is being cycled too
fast.
S
Replace piezo driver.
S
Reduce applicator cycle rate.
Piezo Valve Not
Present Fault
Piezo valve not
detected
S
Cable not connected
S
Cable improperly connected
S
Defective piezo actuator
S
Check cables to piezo
actuator.
S
Replace piezo actuator.
Piezo Valve Not
Enabled Fault
Piezo driver not
enabled
One or more other piezo fault
conditions may exist.
S
Check Event Log.
S
If fault persists, replace piezo
driver board.
Piezo ISO 15V Fault
15 volt power supply
fault inside the piezo
driver board
Defective piezo driver
Replace piezo driver.
Содержание Vulcan Jet
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Страница 121: ...Maintenance 7 5 Part 1126187_05 E 2021 Nordson Corporation 1 2 3 5 4 4 6 7 8 Figure 7 2 General Disassembly...
Страница 162: ...Parts 9 4 Part 1126187_05 E 2021 Nordson Corporation Figure 9 2 Vulcan Jet applicator parts...
Страница 163: ...Parts 9 5 Part 1126187_05 E 2021 Nordson Corporation Figure 9 3 Vulcan Jet applicator parts...
Страница 166: ...Parts 9 8 Part 1126187_05 E 2021 Nordson Corporation 5 1 4 2 20 5 9 8 6 7 6X 19 3 Figure 9 5 Controller Assembly...
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